30807994 has 32 divisors (see below), whose sum is σ = 55478016. Its totient is φ = 12545280.

The previous prime is 30807979. The next prime is 30808003. The reversal of 30807994 is 49970803.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77404 + ... + 77800.

It is an arithmetic number, because the mean of its divisors is an integer number (1733688).

Almost surely, 2^30807994 is an apocalyptic number.

30807994 is a deficient number, since it is larger than the sum of its proper divisors (24670022).

30807994 is a wasteful number, since it uses less digits than its factorization.

30807994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 30807994 is about 5550.4949328866. The cubic root of 30807994 is about 313.4881582318.

It can be divided in two parts, 3080799 and 4, that added together give a palindrome (3080803).

The spelling of 30807994 in words is "thirty million, eight hundred seven thousand, nine hundred ninety-four".